Globalization in recent decades has led to greater prosperity and innovation, but it has also created new problems: Worldwide, the transportation sector alone is responsible for about a quarter of CO2 emissions. In order to reduce these levels drastically while retaining our flexibility, we need to make mobility fit for the future, which means sustainable. The best way to achieve this is with electric rail transport using electricity from renewable sources. In Germany, 74 percent of all train kilometers are already covered electrically.